condition	mean	min	max
0 h after light	6.6430299999999995	6.53711	6.74895
4 h after light	5.05919	4.51685	5.60153
8 h after light	4.231975	3.99785	4.4661
4 h after dark	6.114145000000001	5.83819	6.3901
8 h after dark	6.1008700000000005	5.92056	6.28118
12 h after dark	6.32164	6.29035	6.35293